Consultant Surgeon and Clinical Director
St Mark’s Hospital
Harrow HA1 3UJ
Professor of Colorectal Surgery
Imperial College London, Depatrment of Surgery & Cancer
Civilian Consultant in Colorectal Surgery
to the Royal Navy
MBBS, London 1975
FRCS, England 1979
MS, London 1985
FRCS, Edinburgh 2002
FRCPS, Glasgow 2004
Royal Society of Medicine. Council Member, Section of Coloproctology.
Association of Coloproctology of Great Britain and Ireland. Council Member and Representative of North West Thames Chapter 1999-2003.
Local organiser for Tripartite meeting, London 1996.
Honorary Administrative Director of the Leeds Castle Polyposis Group (now INSIGHT – the International Society for the Investigation of Gastrointestinal Hereditary Tumours)..
Council Member of Concerted Action in Polyposis Prevention (CAPP) Study (a European co-operative study).
Member of the Scientific Board of the Italian medical journal 'Scientific Research and New Books'.
Member of the Editorial Board of Familial Cancer.
Director of the Polyposis Registry, St Mark's Hospital.
Director, Thames Regions Polyposis Registry.
Member of the British Medical Association
Fellow of the Association of Surgeons of Great Britain and Northern Ireland.
Member of the St Mark's Association.
Dean, St Mark’s Academic Institute 1997-2002.
Civilian Consultant in Colorectal Surgery to the Royal Navy 1999-.
President, The British Colostomy Association 2000-2005.
Data and Safety Monitoring Board for the ‘Prevention of Sporadic Colorectal Adenomas with Celecoxib’ trial. NCI N01-CN-95015. 2000-
Member of the Editorial Board, Clinics in Colon and Rectal Surgery.
Honorary Member, Chilean Society of Coloproctology, 2000.
Honorary Member, The Minneapolis Surgical Society, 2001.
FRCS Edinburgh, ad hominem, 2002.
Specialist Advisor to National Institute for Clinical Excellence's Interventional Procedures Programme, 2003-.
Vice-Chairman, Private Patient Management Board, 2003-
Vice-Chairman, CKCS Executive, 2003-2005.
Associate Editor, Diseases of the Colon and Rectum 2003-
Editorial Board, Clinics in Colon and Rectal Surgery (formerly Perspectives in Colon and Rectal Surgery) 2004-
Honorary Member, Society of Coloproctology of Yugoslavia 2004-
Co-editor, Techniques in Coloproctology 2005-2007.
Extern Examiner, National University of Ireland, Galway 2006-2010.
President, Section of Coloproctology, Royal Society of Medicine, October 2006 – September 2007.
The Nineteenth Luis A Buie Visiting Professor – April 2005.
Awarded Medal of Honour, Danish Surgical Society – November 2005
Member of the Evaluation Board for the Gastroenterology and Hepatology Faculty of 1000 Medicine – November 2005.
Chairman, Research Governance Committee, 2006-2011.
Honorary Professor, University Complutense, Madrid, Spain, May 2010.
et al., 2021, Differences in amino acid and lipid metabolism distinguish Crohn's from idiopathic/cryptoglandular perianal fistulas by tissue metabonomic profiling and may offer clues to underlying pathogenesis, European Journal of Gastroenterology & Hepatology, Vol:33, ISSN:0954-691X, Pages:1469-1479
et al., 2020, Burden of disease and adaptation to life in patients with Crohn's perianal fistula: a qualitative exploration, Health and Quality of Life Outcomes, Vol:18, ISSN:1477-7525, Pages:1-13
et al., 2019, The use of 3D imaging to facilitate training during complex fistula surgery - a video vignette, Colorectal Disease, Vol:21, ISSN:1462-8910, Pages:376-376
et al., 2022, Lack of anti-TNF drugs levels in fistula tissue - a reason for nonresponse in Crohn's perianal fistulating disease?, LIPPINCOTT WILLIAMS & WILKINS, Pages:18-26, ISSN:0954-691X
et al., 2021, Development and initial psychometric validation of a patient-reported outcome measure for Crohn's perianal fistula: the Crohn's Anal Fistula Quality of Life (CAF-QoL) scale, BMJ PUBLISHING GROUP, Pages:1649-1656, ISSN:0017-5749